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Technical Data Sheet
PartsTable / COMPONENT / 05-4004
05-4004 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

CAP ASSEMBLY,PROTECTIVE,MUFFLER-. Key specifications include material: STEEL, special_features: W/1.250 IN. BOLT AND NUT IN, pipe_outside_diameter_accommodated: 1.625 INCHES IN.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2990-00-198-5791, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
05-4004
NSN: 2990-00-198-5791
FSC: 2990
CAGE: 36024 — LIBBY POWER SYSTEMS, LLC (USA)
SPECIFICATIONS
materialSTEEL
special_featuresW/1.250 IN. BOLT AND NUT IN
pipe_outside_diameter_accommodated1.625 INCHES IN
NSN2990-00-198-5791
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAP ASSEMBLY,PROTECTIVE,MUFFLER- TITLE COMPONENT PN 05-4004 MFR CAP ASSEMBLY,PROTECTIV
KEY FEATURES
•
PIPE OUTSIDE DIAMETER ACCOMMODATED: 1.500 INCHES IN
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS (FLIS)
PIPE OUTSIDE DIAMETER ACCOMMODATED1.500 INCHES IN
MATERIALSTEEL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
1100-3Interchangeable
interchangeable cross-reference
interchangeable
105Interchangeable
interchangeable cross-reference
interchangeable
G1200KLLBFS381Interchangeable
interchangeable cross-reference
interchangeable
48Interchangeable
interchangeable cross-reference
interchangeable
05-4004Interchangeable
interchangeable cross-reference
interchangeable
01-002Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 05-4004?
05-4004 is a CAP ASSEMBLY,PROTECTIVE,MUFFLER-.
What parts can replace 05-4004?
There are 20 known substitutes for 05-4004: 1100-3, 105, G1200KLLBFS381 and 17 more. Substitute compatibility should be verified for your specific system.
Is 05-4004 still available?
05-4004 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026